The Upton Sinclair Correspondence Collection consists of correspondence and publications by or relating to Upton Sinclair. The first box has six files and contains correspondence, a book, and a play by Upton Sinclair. The second box has three files containing a book on Upton Sinclair, a copy of his journal, and a catalogue of books, manuscripts, and other materials from the Upton Sinclair Archives at the Lilly Libraryat Indiana University.